Network hub



FIG. 1 is a perspective view of the first embodiment of a network hub;

FIG. 2 is a left side elevation view of the first embodiment of the network hub;

FIG. 3 is a front elevation view of the first embodiment of the network hub;

FIG. 4 is a right side elevation view of the first embodiment of the network hub;

FIG. 5 is a rear elevation view of the first embodiment of the network hub;

FIG. 6 is a top plan view of the first embodiment of the network hub;

FIG. 7 is a bottom plan view of the first embodiment of the network hub;

FIG. 8 is a perspective view of the second embodiment of a network hub;

FIG. 9 is a left side elevation view of the second embodiment of the network hub;

FIG. 10 is a front elevation view of the second embodiment of the network hub;

FIG. 11 is a right side elevation view of the second embodiment of the network hub;

FIG. 12 is a rear elevation view of the second embodiment of the network hub;

FIG. 13 is a top plan view of the second embodiment of the network hub; and,

FIG. 14 is a bottom plan view of the second embodiment of the network hub.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a network hub, as shown and described. 